Heat transfer model for a cementitious-based insulation with moisture

被引：4
作者：
Sadiq, H. [1 ]
Wong, M. B. [1 ]
Al-Mahaidi, R. [2 ]
Zhao, X. L. [1 ]
机构：
[1] Monash Univ, Dept Civil Engn, Melbourne, Vic 3004, Australia
[2] Swinburne Univ Technol, Fac Engn & Ind Sci, Melbourne, Vic, Australia
来源：
FIRE AND MATERIALS | 2014年 / 38卷 / 05期
关键词：
Fire; cementitious-based insulation; moisture; heat transfer; thermal analysis; GYPSUM PLASTERBOARD; THERMAL-ANALYSIS; TEMPERATURE;
D O I：
10.1002/fam.2196
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The lack of actual thermal properties of fire insulation materials lead to erroneous temperature prediction of protected structural steel members. For cementitious-based fire insulations, moisture held in the pores significantly alters the thermal response of the material. In this study, a heat transfer model is proposed to accurately predict the thermal response of cementitious-based fire insulations. The effects of the moisture and the decomposition of calcium hydroxide are incorporated in the thermal properties of the selected insulation material. The model was validated against the thermal response of the material obtained experimentally using the finite element programme ABAQUS (LAF Group, Sydney, NSW, Australia). Copyright (C) 2013 John Wiley & Sons, Ltd.
引用
收藏
页码：550 / 558
页数：9
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